Police in Egypt on Friday arrested an Egyptian biochemist sought in the investigation of the London bombings. Meanwhile, authorities investigated a possible link between al-Qaida and the suicide team that carried out attacks. Magdy el-Nashar, 33, was taken into custody upon his arrival in Cairo from abroad, an Egyptian official said, speaking on condition of anonymity because an official announcement of the information had not yet been made. El-Nashar, who studied at North Carolina State University and taught at Leeds University in Britain, was being interrogated by Egyptian authorities, the official said. Full Story